| From 6be7e07335486f5731cab748d80c68f20896581f Mon Sep 17 00:00:00 2001 |
| From: Gerd Hoffmann <kraxel@redhat.com> |
| Date: Wed, 26 Feb 2020 16:47:51 +0100 |
| Subject: drm/virtio: fix mmap page attributes |
| |
| From: Gerd Hoffmann <kraxel@redhat.com> |
| |
| commit 6be7e07335486f5731cab748d80c68f20896581f upstream. |
| |
| virtio-gpu uses cached mappings, set |
| drm_gem_shmem_object.map_cached accordingly. |
| |
| Cc: stable@vger.kernel.org |
| Fixes: c66df701e783 ("drm/virtio: switch from ttm to gem shmem helpers") |
| Reported-by: Gurchetan Singh <gurchetansingh@chromium.org> |
| Reported-by: Guillaume Gardet <Guillaume.Gardet@arm.com> |
| Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> |
| Reviewed-by: Gurchetan Singh <gurchetansingh@chromium.org> |
| Tested-by: Guillaume Gardet <Guillaume.Gardet@arm.com> |
| Link: http://patchwork.freedesktop.org/patch/msgid/20200226154752.24328-3-kraxel@redhat.com |
| Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
| |
| --- |
| drivers/gpu/drm/virtio/virtgpu_object.c | 1 + |
| 1 file changed, 1 insertion(+) |
| |
| --- a/drivers/gpu/drm/virtio/virtgpu_object.c |
| +++ b/drivers/gpu/drm/virtio/virtgpu_object.c |
| @@ -99,6 +99,7 @@ struct drm_gem_object *virtio_gpu_create |
| return NULL; |
| |
| bo->base.base.funcs = &virtio_gpu_gem_funcs; |
| + bo->base.map_cached = true; |
| return &bo->base.base; |
| } |
| |
